At what speed must an electron revolve around the nucleus of hydrogen – InterviewSolution

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1.	At what speed must an electron revolve around the nucleus of hydrogen atom so that it may not be pulled into the nucleus by electrostatic attraction? Given, mass of electron `=9.1xx10^(-31) kg`, radius of orbit `=0.5xx10^(-10)m and e=1.6xx10^(-19)C.`
Answer» Correct Answer - `2.25 xx 10^(6) ms^(-1)`

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